19047780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 61916400

約数和(自身を除く): 42868620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 41, 45, 58, 60, 82, 87, 89, 90, 116, 123, 145, 164, 174, 178, 180, 205, 246, 261, 267, 290, 348, 356, 369, 410, 435, 445, 492, 522, 534, 580, 615, 738, 801, 820, 870, 890, 1044, 1068, 1189, 1230, 1305, 1335, 1476, 1602, 1740, 1780, 1845, 2378, 2460, 2581, 2610, 2670, 3204, 3567, 3649, 3690, 4005, 4756, 5162, 5220, 5340, 5945, 7134, 7298, 7380, 7743, 8010, 10324, 10701, 10947, 11890, 12905, 14268, 14596, 15486, 16020, 17835, 18245, 21402, 21894, 23229, 23780, 25810, 30972, 32841, 35670, 36490, 38715, 42804, 43788, 46458, 51620, 53505, 54735, 65682, 71340, 72980, 77430, 92916, 105821, 107010, 109470, 116145, 131364, 154860, 164205, 211642, 214020, 218940, 232290, 317463, 328410, 423284, 464580, 529105, 634926, 656820, 952389, 1058210, 1269852, 1587315, 1904778, 2116420, 3174630, 3809556, 4761945, 6349260, 9523890, 19047780]

約数ペア:

[(1, 19047780), (2, 9523890), (3, 6349260), (4, 4761945), (5, 3809556), (6, 3174630), (9, 2116420), (10, 1904778), (12, 1587315), (15, 1269852), (18, 1058210), (20, 952389), (29, 656820), (30, 634926), (36, 529105), (41, 464580), (45, 423284), (58, 328410), (60, 317463), (82, 232290), (87, 218940), (89, 214020), (90, 211642), (116, 164205), (123, 154860), (145, 131364), (164, 116145), (174, 109470), (178, 107010), (180, 105821), (205, 92916), (246, 77430), (261, 72980), (267, 71340), (290, 65682), (348, 54735), (356, 53505), (369, 51620), (410, 46458), (435, 43788), (445, 42804), (492, 38715), (522, 36490), (534, 35670), (580, 32841), (615, 30972), (738, 25810), (801, 23780), (820, 23229), (870, 21894), (890, 21402), (1044, 18245), (1068, 17835), (1189, 16020), (1230, 15486), (1305, 14596), (1335, 14268), (1476, 12905), (1602, 11890), (1740, 10947), (1780, 10701), (1845, 10324), (2378, 8010), (2460, 7743), (2581, 7380), (2610, 7298), (2670, 7134), (3204, 5945), (3567, 5340), (3649, 5220), (3690, 5162), (4005, 4756)]