18371925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 38726688

約数和(自身を除く): 20354763

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 195, 225, 275, 325, 429, 495, 571, 585, 715, 825, 975, 1287, 1713, 2145, 2475, 2855, 2925, 3575, 5139, 6281, 6435, 7423, 8565, 10725, 14275, 18843, 22269, 25695, 31405, 32175, 37115, 42825, 56529, 66807, 81653, 94215, 111345, 128475, 157025, 185575, 244959, 282645, 334035, 408265, 471075, 556725, 734877, 1224795, 1413225, 1670175, 2041325, 3674385, 6123975, 18371925]

約数ペア:

[(1, 18371925), (3, 6123975), (5, 3674385), (9, 2041325), (11, 1670175), (13, 1413225), (15, 1224795), (25, 734877), (33, 556725), (39, 471075), (45, 408265), (55, 334035), (65, 282645), (75, 244959), (99, 185575), (117, 157025), (143, 128475), (165, 111345), (195, 94215), (225, 81653), (275, 66807), (325, 56529), (429, 42825), (495, 37115), (571, 32175), (585, 31405), (715, 25695), (825, 22269), (975, 18843), (1287, 14275), (1713, 10725), (2145, 8565), (2475, 7423), (2855, 6435), (2925, 6281), (3575, 5139)]