18312732

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 49991760

約数和(自身を除く): 31679028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 41, 57, 76, 82, 114, 123, 164, 171, 228, 246, 342, 369, 492, 653, 684, 738, 779, 1306, 1476, 1558, 1959, 2337, 2612, 3116, 3918, 4674, 5877, 7011, 7836, 9348, 11754, 12407, 14022, 23508, 24814, 26773, 28044, 37221, 49628, 53546, 74442, 80319, 107092, 111663, 148884, 160638, 223326, 240957, 321276, 446652, 481914, 508687, 963828, 1017374, 1526061, 2034748, 3052122, 4578183, 6104244, 9156366, 18312732]

約数ペア:

[(1, 18312732), (2, 9156366), (3, 6104244), (4, 4578183), (6, 3052122), (9, 2034748), (12, 1526061), (18, 1017374), (19, 963828), (36, 508687), (38, 481914), (41, 446652), (57, 321276), (76, 240957), (82, 223326), (114, 160638), (123, 148884), (164, 111663), (171, 107092), (228, 80319), (246, 74442), (342, 53546), (369, 49628), (492, 37221), (653, 28044), (684, 26773), (738, 24814), (779, 23508), (1306, 14022), (1476, 12407), (1558, 11754), (1959, 9348), (2337, 7836), (2612, 7011), (3116, 5877), (3918, 4674)]