18784422

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 45401616

約数和(自身を除く): 26617194

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 34, 46, 51, 69, 102, 138, 153, 157, 207, 289, 306, 314, 391, 414, 471, 578, 782, 867, 942, 1173, 1413, 1734, 2346, 2601, 2669, 2826, 3519, 3611, 5202, 5338, 6647, 7038, 7222, 8007, 10833, 13294, 16014, 19941, 21666, 24021, 32499, 39882, 45373, 48042, 59823, 61387, 64998, 90746, 119646, 122774, 136119, 184161, 272238, 368322, 408357, 552483, 816714, 1043579, 1104966, 2087158, 3130737, 6261474, 9392211, 18784422]

約数ペア:

[(1, 18784422), (2, 9392211), (3, 6261474), (6, 3130737), (9, 2087158), (17, 1104966), (18, 1043579), (23, 816714), (34, 552483), (46, 408357), (51, 368322), (69, 272238), (102, 184161), (138, 136119), (153, 122774), (157, 119646), (207, 90746), (289, 64998), (306, 61387), (314, 59823), (391, 48042), (414, 45373), (471, 39882), (578, 32499), (782, 24021), (867, 21666), (942, 19941), (1173, 16014), (1413, 13294), (1734, 10833), (2346, 8007), (2601, 7222), (2669, 7038), (2826, 6647), (3519, 5338), (3611, 5202)]