18847764

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 57238272

約数和(自身を除く): 38390508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 23, 26, 34, 36, 39, 46, 51, 52, 68, 69, 78, 92, 102, 103, 117, 138, 153, 156, 204, 206, 207, 221, 234, 276, 299, 306, 309, 391, 412, 414, 442, 468, 598, 612, 618, 663, 782, 828, 884, 897, 927, 1173, 1196, 1236, 1326, 1339, 1564, 1751, 1794, 1854, 1989, 2346, 2369, 2652, 2678, 2691, 3502, 3519, 3588, 3708, 3978, 4017, 4692, 4738, 5083, 5253, 5356, 5382, 7004, 7038, 7107, 7956, 8034, 9476, 10166, 10506, 10764, 12051, 14076, 14214, 15249, 15759, 16068, 20332, 21012, 21321, 22763, 24102, 28428, 30498, 30797, 31518, 40273, 42642, 45526, 45747, 48204, 60996, 61594, 63036, 68289, 80546, 85284, 91052, 91494, 92391, 120819, 123188, 136578, 161092, 182988, 184782, 204867, 241638, 273156, 277173, 362457, 369564, 409734, 483276, 523549, 554346, 724914, 819468, 1047098, 1108692, 1449828, 1570647, 2094196, 3141294, 4711941, 6282588, 9423882, 18847764]

約数ペア:

[(1, 18847764), (2, 9423882), (3, 6282588), (4, 4711941), (6, 3141294), (9, 2094196), (12, 1570647), (13, 1449828), (17, 1108692), (18, 1047098), (23, 819468), (26, 724914), (34, 554346), (36, 523549), (39, 483276), (46, 409734), (51, 369564), (52, 362457), (68, 277173), (69, 273156), (78, 241638), (92, 204867), (102, 184782), (103, 182988), (117, 161092), (138, 136578), (153, 123188), (156, 120819), (204, 92391), (206, 91494), (207, 91052), (221, 85284), (234, 80546), (276, 68289), (299, 63036), (306, 61594), (309, 60996), (391, 48204), (412, 45747), (414, 45526), (442, 42642), (468, 40273), (598, 31518), (612, 30797), (618, 30498), (663, 28428), (782, 24102), (828, 22763), (884, 21321), (897, 21012), (927, 20332), (1173, 16068), (1196, 15759), (1236, 15249), (1326, 14214), (1339, 14076), (1564, 12051), (1751, 10764), (1794, 10506), (1854, 10166), (1989, 9476), (2346, 8034), (2369, 7956), (2652, 7107), (2678, 7038), (2691, 7004), (3502, 5382), (3519, 5356), (3588, 5253), (3708, 5083), (3978, 4738), (4017, 4692)]