19143930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 49932288

約数和(自身を除く): 30788358

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 191, 195, 257, 382, 390, 514, 573, 771, 955, 1146, 1285, 1542, 1910, 2483, 2570, 2865, 3341, 3855, 4966, 5730, 6682, 7449, 7710, 10023, 12415, 14898, 16705, 20046, 24830, 33410, 37245, 49087, 50115, 74490, 98174, 100230, 147261, 245435, 294522, 490870, 638131, 736305, 1276262, 1472610, 1914393, 3190655, 3828786, 6381310, 9571965, 19143930]

約数ペア:

[(1, 19143930), (2, 9571965), (3, 6381310), (5, 3828786), (6, 3190655), (10, 1914393), (13, 1472610), (15, 1276262), (26, 736305), (30, 638131), (39, 490870), (65, 294522), (78, 245435), (130, 147261), (191, 100230), (195, 98174), (257, 74490), (382, 50115), (390, 49087), (514, 37245), (573, 33410), (771, 24830), (955, 20046), (1146, 16705), (1285, 14898), (1542, 12415), (1910, 10023), (2483, 7710), (2570, 7449), (2865, 6682), (3341, 5730), (3855, 4966)]