18219708

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:728

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 35405892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 108, 114, 117, 156, 171, 228, 234, 247, 342, 351, 468, 494, 513, 683, 684, 702, 741, 988, 1026, 1366, 1404, 1482, 2049, 2052, 2223, 2732, 2964, 4098, 4446, 6147, 6669, 8196, 8879, 8892, 12294, 12977, 13338, 17758, 18441, 24588, 25954, 26637, 26676, 35516, 36882, 38931, 51908, 53274, 73764, 77862, 79911, 106548, 116793, 155724, 159822, 168701, 233586, 239733, 319644, 337402, 350379, 467172, 479466, 506103, 674804, 700758, 958932, 1012206, 1401516, 1518309, 2024412, 3036618, 4554927, 6073236, 9109854, 18219708]

約数ペア:

[(1, 18219708), (2, 9109854), (3, 6073236), (4, 4554927), (6, 3036618), (9, 2024412), (12, 1518309), (13, 1401516), (18, 1012206), (19, 958932), (26, 700758), (27, 674804), (36, 506103), (38, 479466), (39, 467172), (52, 350379), (54, 337402), (57, 319644), (76, 239733), (78, 233586), (108, 168701), (114, 159822), (117, 155724), (156, 116793), (171, 106548), (228, 79911), (234, 77862), (247, 73764), (342, 53274), (351, 51908), (468, 38931), (494, 36882), (513, 35516), (683, 26676), (684, 26637), (702, 25954), (741, 24588), (988, 18441), (1026, 17758), (1366, 13338), (1404, 12977), (1482, 12294), (2049, 8892), (2052, 8879), (2223, 8196), (2732, 6669), (2964, 6147), (4098, 4446)]