19896551688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{66359}}^1$

素因数の和:66443

約数の個数: 96

約数和(自身を含む): 55352203200

約数和(自身を除く): 35455651512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 961, 1209, 1612, 1922, 2418, 2883, 3224, 3844, 4836, 5766, 7688, 9672, 11532, 12493, 23064, 24986, 37479, 49972, 66359, 74958, 99944, 132718, 149916, 199077, 265436, 299832, 398154, 530872, 796308, 862667, 1592616, 1725334, 2057129, 2588001, 3450668, 4114258, 5176002, 6171387, 6901336, 8228516, 10352004, 12342774, 16457032, 20704008, 24685548, 26742677, 49371096, 53485354, 63770999, 80228031, 106970708, 127541998, 160456062, 191312997, 213941416, 255083996, 320912124, 382625994, 510167992, 641824248, 765251988, 829022987, 1530503976, 1658045974, 2487068961, 3316091948, 4974137922, 6632183896, 9948275844, 19896551688]

約数ペア:

[(1, 19896551688), (2, 9948275844), (3, 6632183896), (4, 4974137922), (6, 3316091948), (8, 2487068961), (12, 1658045974), (13, 1530503976), (24, 829022987), (26, 765251988), (31, 641824248), (39, 510167992), (52, 382625994), (62, 320912124), (78, 255083996), (93, 213941416), (104, 191312997), (124, 160456062), (156, 127541998), (186, 106970708), (248, 80228031), (312, 63770999), (372, 53485354), (403, 49371096), (744, 26742677), (806, 24685548), (961, 20704008), (1209, 16457032), (1612, 12342774), (1922, 10352004), (2418, 8228516), (2883, 6901336), (3224, 6171387), (3844, 5176002), (4836, 4114258), (5766, 3450668), (7688, 2588001), (9672, 2057129), (11532, 1725334), (12493, 1592616), (23064, 862667), (24986, 796308), (37479, 530872), (49972, 398154), (66359, 299832), (74958, 265436), (99944, 199077), (132718, 149916)]