19378860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 38681940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 89, 95, 114, 178, 190, 191, 228, 267, 285, 356, 380, 382, 445, 534, 570, 573, 764, 890, 955, 1068, 1140, 1146, 1335, 1691, 1780, 1910, 2292, 2670, 2865, 3382, 3629, 3820, 5073, 5340, 5730, 6764, 7258, 8455, 10146, 10887, 11460, 14516, 16910, 16999, 18145, 20292, 21774, 25365, 33820, 33998, 36290, 43548, 50730, 50997, 54435, 67996, 72580, 84995, 101460, 101994, 108870, 169990, 203988, 217740, 254985, 322981, 339980, 509970, 645962, 968943, 1019940, 1291924, 1614905, 1937886, 3229810, 3875772, 4844715, 6459620, 9689430, 19378860]

約数ペア:

[(1, 19378860), (2, 9689430), (3, 6459620), (4, 4844715), (5, 3875772), (6, 3229810), (10, 1937886), (12, 1614905), (15, 1291924), (19, 1019940), (20, 968943), (30, 645962), (38, 509970), (57, 339980), (60, 322981), (76, 254985), (89, 217740), (95, 203988), (114, 169990), (178, 108870), (190, 101994), (191, 101460), (228, 84995), (267, 72580), (285, 67996), (356, 54435), (380, 50997), (382, 50730), (445, 43548), (534, 36290), (570, 33998), (573, 33820), (764, 25365), (890, 21774), (955, 20292), (1068, 18145), (1140, 16999), (1146, 16910), (1335, 14516), (1691, 11460), (1780, 10887), (1910, 10146), (2292, 8455), (2670, 7258), (2865, 6764), (3382, 5730), (3629, 5340), (3820, 5073)]