19376940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 63546336

約数和(自身を除く): 44169396

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 121, 132, 157, 165, 170, 187, 204, 220, 242, 255, 314, 330, 340, 363, 374, 471, 484, 510, 561, 605, 628, 660, 726, 748, 785, 935, 942, 1020, 1122, 1210, 1452, 1570, 1727, 1815, 1870, 1884, 2057, 2244, 2355, 2420, 2669, 2805, 3140, 3454, 3630, 3740, 4114, 4710, 5181, 5338, 5610, 6171, 6908, 7260, 8007, 8228, 8635, 9420, 10285, 10362, 10676, 11220, 12342, 13345, 16014, 17270, 18997, 20570, 20724, 24684, 25905, 26690, 29359, 30855, 32028, 34540, 37994, 40035, 41140, 51810, 53380, 56991, 58718, 61710, 75988, 80070, 88077, 94985, 103620, 113982, 117436, 123420, 146795, 160140, 176154, 189970, 227964, 284955, 293590, 322949, 352308, 379940, 440385, 569910, 587180, 645898, 880770, 968847, 1139820, 1291796, 1614745, 1761540, 1937694, 3229490, 3875388, 4844235, 6458980, 9688470, 19376940]

約数ペア:

[(1, 19376940), (2, 9688470), (3, 6458980), (4, 4844235), (5, 3875388), (6, 3229490), (10, 1937694), (11, 1761540), (12, 1614745), (15, 1291796), (17, 1139820), (20, 968847), (22, 880770), (30, 645898), (33, 587180), (34, 569910), (44, 440385), (51, 379940), (55, 352308), (60, 322949), (66, 293590), (68, 284955), (85, 227964), (102, 189970), (110, 176154), (121, 160140), (132, 146795), (157, 123420), (165, 117436), (170, 113982), (187, 103620), (204, 94985), (220, 88077), (242, 80070), (255, 75988), (314, 61710), (330, 58718), (340, 56991), (363, 53380), (374, 51810), (471, 41140), (484, 40035), (510, 37994), (561, 34540), (605, 32028), (628, 30855), (660, 29359), (726, 26690), (748, 25905), (785, 24684), (935, 20724), (942, 20570), (1020, 18997), (1122, 17270), (1210, 16014), (1452, 13345), (1570, 12342), (1727, 11220), (1815, 10676), (1870, 10362), (1884, 10285), (2057, 9420), (2244, 8635), (2355, 8228), (2420, 8007), (2669, 7260), (2805, 6908), (3140, 6171), (3454, 5610), (3630, 5338), (3740, 5181), (4114, 4710)]