19954396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 47803392

約数和(自身を除く): 27848996

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 37, 44, 68, 74, 77, 103, 119, 148, 154, 187, 206, 238, 259, 308, 374, 407, 412, 476, 518, 629, 721, 748, 814, 1036, 1133, 1258, 1309, 1442, 1628, 1751, 2266, 2516, 2618, 2849, 2884, 3502, 3811, 4403, 4532, 5236, 5698, 6919, 7004, 7622, 7931, 8806, 11396, 12257, 13838, 15244, 15862, 17612, 19261, 24514, 26677, 27676, 31724, 38522, 41921, 48433, 49028, 53354, 64787, 77044, 83842, 96866, 106708, 129574, 134827, 167684, 193732, 259148, 269654, 293447, 453509, 539308, 586894, 712657, 907018, 1173788, 1425314, 1814036, 2850628, 4988599, 9977198, 19954396]

約数ペア:

[(1, 19954396), (2, 9977198), (4, 4988599), (7, 2850628), (11, 1814036), (14, 1425314), (17, 1173788), (22, 907018), (28, 712657), (34, 586894), (37, 539308), (44, 453509), (68, 293447), (74, 269654), (77, 259148), (103, 193732), (119, 167684), (148, 134827), (154, 129574), (187, 106708), (206, 96866), (238, 83842), (259, 77044), (308, 64787), (374, 53354), (407, 49028), (412, 48433), (476, 41921), (518, 38522), (629, 31724), (721, 27676), (748, 26677), (814, 24514), (1036, 19261), (1133, 17612), (1258, 15862), (1309, 15244), (1442, 13838), (1628, 12257), (1751, 11396), (2266, 8806), (2516, 7931), (2618, 7622), (2849, 7004), (2884, 6919), (3502, 5698), (3811, 5236), (4403, 4532)]