18970512

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 160

約数和(自身を含む): 59043840

約数和(自身を除く): 40073328

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 31, 33, 38, 44, 48, 57, 61, 62, 66, 76, 88, 93, 114, 122, 124, 132, 152, 176, 183, 186, 209, 228, 244, 248, 264, 304, 341, 366, 372, 418, 456, 488, 496, 528, 589, 627, 671, 682, 732, 744, 836, 912, 976, 1023, 1159, 1178, 1254, 1342, 1364, 1464, 1488, 1672, 1767, 1891, 2013, 2046, 2318, 2356, 2508, 2684, 2728, 2928, 3344, 3477, 3534, 3782, 4026, 4092, 4636, 4712, 5016, 5368, 5456, 5673, 6479, 6954, 7068, 7564, 8052, 8184, 9272, 9424, 10032, 10736, 11346, 12749, 12958, 13908, 14136, 15128, 16104, 16368, 18544, 19437, 20801, 22692, 25498, 25916, 27816, 28272, 30256, 32208, 35929, 38247, 38874, 41602, 45384, 50996, 51832, 55632, 62403, 71858, 76494, 77748, 83204, 90768, 101992, 103664, 107787, 124806, 143716, 152988, 155496, 166408, 203984, 215574, 249612, 287432, 305976, 310992, 332816, 395219, 431148, 499224, 574864, 611952, 790438, 862296, 998448, 1185657, 1580876, 1724592, 2371314, 3161752, 4742628, 6323504, 9485256, 18970512]

約数ペア:

[(1, 18970512), (2, 9485256), (3, 6323504), (4, 4742628), (6, 3161752), (8, 2371314), (11, 1724592), (12, 1580876), (16, 1185657), (19, 998448), (22, 862296), (24, 790438), (31, 611952), (33, 574864), (38, 499224), (44, 431148), (48, 395219), (57, 332816), (61, 310992), (62, 305976), (66, 287432), (76, 249612), (88, 215574), (93, 203984), (114, 166408), (122, 155496), (124, 152988), (132, 143716), (152, 124806), (176, 107787), (183, 103664), (186, 101992), (209, 90768), (228, 83204), (244, 77748), (248, 76494), (264, 71858), (304, 62403), (341, 55632), (366, 51832), (372, 50996), (418, 45384), (456, 41602), (488, 38874), (496, 38247), (528, 35929), (589, 32208), (627, 30256), (671, 28272), (682, 27816), (732, 25916), (744, 25498), (836, 22692), (912, 20801), (976, 19437), (1023, 18544), (1159, 16368), (1178, 16104), (1254, 15128), (1342, 14136), (1364, 13908), (1464, 12958), (1488, 12749), (1672, 11346), (1767, 10736), (1891, 10032), (2013, 9424), (2046, 9272), (2318, 8184), (2356, 8052), (2508, 7564), (2684, 7068), (2728, 6954), (2928, 6479), (3344, 5673), (3477, 5456), (3534, 5368), (3782, 5016), (4026, 4712), (4092, 4636)]