18188415

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1013}}^1$

素因数の和:1053

約数の個数: 64

約数和(自身を含む): 38937600

約数和(自身を除く): 20749185

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 171, 189, 285, 315, 399, 513, 665, 855, 945, 1013, 1197, 1995, 2565, 3039, 3591, 5065, 5985, 7091, 9117, 15195, 17955, 19247, 21273, 27351, 35455, 45585, 57741, 63819, 96235, 106365, 134729, 136755, 173223, 191457, 288705, 319095, 404187, 519669, 673645, 866115, 957285, 1212561, 2020935, 2598345, 3637683, 6062805, 18188415]

約数ペア:

[(1, 18188415), (3, 6062805), (5, 3637683), (7, 2598345), (9, 2020935), (15, 1212561), (19, 957285), (21, 866115), (27, 673645), (35, 519669), (45, 404187), (57, 319095), (63, 288705), (95, 191457), (105, 173223), (133, 136755), (135, 134729), (171, 106365), (189, 96235), (285, 63819), (315, 57741), (399, 45585), (513, 35455), (665, 27351), (855, 21273), (945, 19247), (1013, 17955), (1197, 15195), (1995, 9117), (2565, 7091), (3039, 5985), (3591, 5065)]