19940057982

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{1877}}^1$

素因数の和:2347

約数の個数: 128

約数和(自身を含む): 49155523200

約数和(自身を除く): 29215465218

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 111, 117, 222, 234, 333, 351, 409, 481, 666, 702, 818, 962, 999, 1227, 1443, 1877, 1998, 2454, 2886, 3681, 3754, 4329, 5317, 5631, 7362, 8658, 10634, 11043, 11262, 12987, 15133, 15951, 16893, 22086, 24401, 25974, 30266, 31902, 33786, 45399, 47853, 48802, 50679, 69449, 73203, 90798, 95706, 101358, 136197, 138898, 143559, 146406, 196729, 208347, 219609, 272394, 287118, 393458, 408591, 416694, 439218, 590187, 625041, 658827, 767693, 817182, 902837, 1180374, 1250082, 1317654, 1535386, 1770561, 1805674, 1875123, 2303079, 2708511, 3541122, 3750246, 4606158, 5311683, 5417022, 6909237, 8125533, 9980009, 10623366, 13818474, 16251066, 19960018, 20727711, 24376599, 28404641, 29940027, 41455422, 48753198, 56809282, 59880054, 85213923, 89820081, 170427846, 179640162, 255641769, 269460243, 369260333, 511283538, 538920486, 738520666, 766925307, 1107780999, 1533850614, 2215561998, 3323342997, 6646685994, 9970028991, 19940057982]

約数ペア:

[(1, 19940057982), (2, 9970028991), (3, 6646685994), (6, 3323342997), (9, 2215561998), (13, 1533850614), (18, 1107780999), (26, 766925307), (27, 738520666), (37, 538920486), (39, 511283538), (54, 369260333), (74, 269460243), (78, 255641769), (111, 179640162), (117, 170427846), (222, 89820081), (234, 85213923), (333, 59880054), (351, 56809282), (409, 48753198), (481, 41455422), (666, 29940027), (702, 28404641), (818, 24376599), (962, 20727711), (999, 19960018), (1227, 16251066), (1443, 13818474), (1877, 10623366), (1998, 9980009), (2454, 8125533), (2886, 6909237), (3681, 5417022), (3754, 5311683), (4329, 4606158), (5317, 3750246), (5631, 3541122), (7362, 2708511), (8658, 2303079), (10634, 1875123), (11043, 1805674), (11262, 1770561), (12987, 1535386), (15133, 1317654), (15951, 1250082), (16893, 1180374), (22086, 902837), (24401, 817182), (25974, 767693), (30266, 658827), (31902, 625041), (33786, 590187), (45399, 439218), (47853, 416694), (48802, 408591), (50679, 393458), (69449, 287118), (73203, 272394), (90798, 219609), (95706, 208347), (101358, 196729), (136197, 146406), (138898, 143559)]