16623860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 41489280

約数和(自身を除く): 24865420

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 41, 44, 55, 76, 82, 95, 97, 110, 164, 190, 194, 205, 209, 220, 380, 388, 410, 418, 451, 485, 779, 820, 836, 902, 970, 1045, 1067, 1558, 1804, 1843, 1940, 2090, 2134, 2255, 3116, 3686, 3895, 3977, 4180, 4268, 4510, 5335, 7372, 7790, 7954, 8569, 9020, 9215, 10670, 15580, 15908, 17138, 18430, 19885, 20273, 21340, 34276, 36860, 39770, 40546, 42845, 43747, 75563, 79540, 81092, 85690, 87494, 101365, 151126, 171380, 174988, 202730, 218735, 302252, 377815, 405460, 437470, 755630, 831193, 874940, 1511260, 1662386, 3324772, 4155965, 8311930, 16623860]

約数ペア:

[(1, 16623860), (2, 8311930), (4, 4155965), (5, 3324772), (10, 1662386), (11, 1511260), (19, 874940), (20, 831193), (22, 755630), (38, 437470), (41, 405460), (44, 377815), (55, 302252), (76, 218735), (82, 202730), (95, 174988), (97, 171380), (110, 151126), (164, 101365), (190, 87494), (194, 85690), (205, 81092), (209, 79540), (220, 75563), (380, 43747), (388, 42845), (410, 40546), (418, 39770), (451, 36860), (485, 34276), (779, 21340), (820, 20273), (836, 19885), (902, 18430), (970, 17138), (1045, 15908), (1067, 15580), (1558, 10670), (1804, 9215), (1843, 9020), (1940, 8569), (2090, 7954), (2134, 7790), (2255, 7372), (3116, 5335), (3686, 4510), (3895, 4268), (3977, 4180)]