19896380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 51480576

約数和(自身を除く): 31584196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 70, 74, 92, 115, 140, 148, 161, 167, 185, 230, 259, 322, 334, 370, 460, 518, 644, 668, 740, 805, 835, 851, 1036, 1169, 1295, 1610, 1670, 1702, 2338, 2590, 3220, 3340, 3404, 3841, 4255, 4676, 5180, 5845, 5957, 6179, 7682, 8510, 11690, 11914, 12358, 15364, 17020, 19205, 23380, 23828, 24716, 26887, 29785, 30895, 38410, 43253, 53774, 59570, 61790, 76820, 86506, 107548, 119140, 123580, 134435, 142117, 173012, 216265, 268870, 284234, 432530, 537740, 568468, 710585, 865060, 994819, 1421170, 1989638, 2842340, 3979276, 4974095, 9948190, 19896380]

約数ペア:

[(1, 19896380), (2, 9948190), (4, 4974095), (5, 3979276), (7, 2842340), (10, 1989638), (14, 1421170), (20, 994819), (23, 865060), (28, 710585), (35, 568468), (37, 537740), (46, 432530), (70, 284234), (74, 268870), (92, 216265), (115, 173012), (140, 142117), (148, 134435), (161, 123580), (167, 119140), (185, 107548), (230, 86506), (259, 76820), (322, 61790), (334, 59570), (370, 53774), (460, 43253), (518, 38410), (644, 30895), (668, 29785), (740, 26887), (805, 24716), (835, 23828), (851, 23380), (1036, 19205), (1169, 17020), (1295, 15364), (1610, 12358), (1670, 11914), (1702, 11690), (2338, 8510), (2590, 7682), (3220, 6179), (3340, 5957), (3404, 5845), (3841, 5180), (4255, 4676)]