19501944

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 62138880

約数和(自身を除く): 42636936

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 61, 66, 77, 84, 88, 122, 132, 154, 168, 173, 183, 231, 244, 264, 308, 346, 366, 427, 462, 488, 519, 616, 671, 692, 732, 854, 924, 1038, 1211, 1281, 1342, 1384, 1464, 1708, 1848, 1903, 2013, 2076, 2422, 2562, 2684, 3416, 3633, 3806, 4026, 4152, 4697, 4844, 5124, 5368, 5709, 7266, 7612, 8052, 9394, 9688, 10248, 10553, 11418, 13321, 14091, 14532, 15224, 16104, 18788, 21106, 22836, 26642, 28182, 29064, 31659, 37576, 39963, 42212, 45672, 53284, 56364, 63318, 73871, 79926, 84424, 106568, 112728, 116083, 126636, 147742, 159852, 221613, 232166, 253272, 295484, 319704, 348249, 443226, 464332, 590968, 696498, 812581, 886452, 928664, 1392996, 1625162, 1772904, 2437743, 2785992, 3250324, 4875486, 6500648, 9750972, 19501944]

約数ペア:

[(1, 19501944), (2, 9750972), (3, 6500648), (4, 4875486), (6, 3250324), (7, 2785992), (8, 2437743), (11, 1772904), (12, 1625162), (14, 1392996), (21, 928664), (22, 886452), (24, 812581), (28, 696498), (33, 590968), (42, 464332), (44, 443226), (56, 348249), (61, 319704), (66, 295484), (77, 253272), (84, 232166), (88, 221613), (122, 159852), (132, 147742), (154, 126636), (168, 116083), (173, 112728), (183, 106568), (231, 84424), (244, 79926), (264, 73871), (308, 63318), (346, 56364), (366, 53284), (427, 45672), (462, 42212), (488, 39963), (519, 37576), (616, 31659), (671, 29064), (692, 28182), (732, 26642), (854, 22836), (924, 21106), (1038, 18788), (1211, 16104), (1281, 15224), (1342, 14532), (1384, 14091), (1464, 13321), (1708, 11418), (1848, 10553), (1903, 10248), (2013, 9688), (2076, 9394), (2422, 8052), (2562, 7612), (2684, 7266), (3416, 5709), (3633, 5368), (3806, 5124), (4026, 4844), (4152, 4697)]