19388512

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 47416320

約数和(自身を除く): 28027808

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 32, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 223, 247, 286, 304, 352, 416, 418, 446, 494, 572, 608, 836, 892, 988, 1144, 1672, 1784, 1976, 2288, 2453, 2717, 2899, 3344, 3568, 3952, 4237, 4576, 4906, 5434, 5798, 6688, 7136, 7904, 8474, 9812, 10868, 11596, 16948, 19624, 21736, 23192, 31889, 33896, 39248, 43472, 46384, 46607, 55081, 63778, 67792, 78496, 86944, 92768, 93214, 110162, 127556, 135584, 186428, 220324, 255112, 372856, 440648, 510224, 605891, 745712, 881296, 1020448, 1211782, 1491424, 1762592, 2423564, 4847128, 9694256, 19388512]

約数ペア:

[(1, 19388512), (2, 9694256), (4, 4847128), (8, 2423564), (11, 1762592), (13, 1491424), (16, 1211782), (19, 1020448), (22, 881296), (26, 745712), (32, 605891), (38, 510224), (44, 440648), (52, 372856), (76, 255112), (88, 220324), (104, 186428), (143, 135584), (152, 127556), (176, 110162), (208, 93214), (209, 92768), (223, 86944), (247, 78496), (286, 67792), (304, 63778), (352, 55081), (416, 46607), (418, 46384), (446, 43472), (494, 39248), (572, 33896), (608, 31889), (836, 23192), (892, 21736), (988, 19624), (1144, 16948), (1672, 11596), (1784, 10868), (1976, 9812), (2288, 8474), (2453, 7904), (2717, 7136), (2899, 6688), (3344, 5798), (3568, 5434), (3952, 4906), (4237, 4576)]