19684380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:619

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 40311780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 557, 570, 589, 620, 930, 1114, 1140, 1178, 1671, 1767, 1860, 2228, 2356, 2785, 2945, 3342, 3534, 5570, 5890, 6684, 7068, 8355, 8835, 10583, 11140, 11780, 16710, 17267, 17670, 21166, 31749, 33420, 34534, 35340, 42332, 51801, 52915, 63498, 69068, 86335, 103602, 105830, 126996, 158745, 172670, 207204, 211660, 259005, 317490, 328073, 345340, 518010, 634980, 656146, 984219, 1036020, 1312292, 1640365, 1968438, 3280730, 3936876, 4921095, 6561460, 9842190, 19684380]

約数ペア:

[(1, 19684380), (2, 9842190), (3, 6561460), (4, 4921095), (5, 3936876), (6, 3280730), (10, 1968438), (12, 1640365), (15, 1312292), (19, 1036020), (20, 984219), (30, 656146), (31, 634980), (38, 518010), (57, 345340), (60, 328073), (62, 317490), (76, 259005), (93, 211660), (95, 207204), (114, 172670), (124, 158745), (155, 126996), (186, 105830), (190, 103602), (228, 86335), (285, 69068), (310, 63498), (372, 52915), (380, 51801), (465, 42332), (557, 35340), (570, 34534), (589, 33420), (620, 31749), (930, 21166), (1114, 17670), (1140, 17267), (1178, 16710), (1671, 11780), (1767, 11140), (1860, 10583), (2228, 8835), (2356, 8355), (2785, 7068), (2945, 6684), (3342, 5890), (3534, 5570)]