19931912

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 53222400

約数和(自身を除く): 33290488

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 56, 76, 77, 88, 91, 104, 131, 133, 143, 152, 154, 182, 209, 247, 262, 266, 286, 308, 364, 418, 494, 524, 532, 572, 616, 728, 836, 917, 988, 1001, 1048, 1064, 1144, 1441, 1463, 1672, 1703, 1729, 1834, 1976, 2002, 2489, 2717, 2882, 2926, 3406, 3458, 3668, 4004, 4978, 5434, 5764, 5852, 6812, 6916, 7336, 8008, 9956, 10087, 10868, 11528, 11704, 11921, 13624, 13832, 17423, 18733, 19019, 19912, 20174, 21736, 23842, 27379, 32357, 34846, 37466, 38038, 40348, 47684, 54758, 64714, 69692, 74932, 76076, 80696, 95368, 109516, 129428, 131131, 139384, 149864, 152152, 191653, 219032, 226499, 258856, 262262, 355927, 383306, 452998, 524524, 711854, 766612, 905996, 1049048, 1423708, 1533224, 1811992, 2491489, 2847416, 4982978, 9965956, 19931912]

約数ペア:

[(1, 19931912), (2, 9965956), (4, 4982978), (7, 2847416), (8, 2491489), (11, 1811992), (13, 1533224), (14, 1423708), (19, 1049048), (22, 905996), (26, 766612), (28, 711854), (38, 524524), (44, 452998), (52, 383306), (56, 355927), (76, 262262), (77, 258856), (88, 226499), (91, 219032), (104, 191653), (131, 152152), (133, 149864), (143, 139384), (152, 131131), (154, 129428), (182, 109516), (209, 95368), (247, 80696), (262, 76076), (266, 74932), (286, 69692), (308, 64714), (364, 54758), (418, 47684), (494, 40348), (524, 38038), (532, 37466), (572, 34846), (616, 32357), (728, 27379), (836, 23842), (917, 21736), (988, 20174), (1001, 19912), (1048, 19019), (1064, 18733), (1144, 17423), (1441, 13832), (1463, 13624), (1672, 11921), (1703, 11704), (1729, 11528), (1834, 10868), (1976, 10087), (2002, 9956), (2489, 8008), (2717, 7336), (2882, 6916), (2926, 6812), (3406, 5852), (3458, 5764), (3668, 5434), (4004, 4978)]