19928376

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 61286400

約数和(自身を除く): 41358024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 47, 52, 54, 72, 78, 94, 104, 108, 117, 141, 151, 156, 188, 216, 234, 282, 302, 312, 351, 376, 423, 453, 468, 564, 604, 611, 702, 846, 906, 936, 1128, 1208, 1222, 1269, 1359, 1404, 1692, 1812, 1833, 1963, 2444, 2538, 2718, 2808, 3384, 3624, 3666, 3926, 4077, 4888, 5076, 5436, 5499, 5889, 7097, 7332, 7852, 8154, 10152, 10872, 10998, 11778, 14194, 14664, 15704, 16308, 16497, 17667, 21291, 21996, 23556, 28388, 32616, 32994, 35334, 42582, 43992, 47112, 53001, 56776, 63873, 65988, 70668, 85164, 92261, 106002, 127746, 131976, 141336, 170328, 184522, 191619, 212004, 255492, 276783, 369044, 383238, 424008, 510984, 553566, 738088, 766476, 830349, 1107132, 1532952, 1660698, 2214264, 2491047, 3321396, 4982094, 6642792, 9964188, 19928376]

約数ペア:

[(1, 19928376), (2, 9964188), (3, 6642792), (4, 4982094), (6, 3321396), (8, 2491047), (9, 2214264), (12, 1660698), (13, 1532952), (18, 1107132), (24, 830349), (26, 766476), (27, 738088), (36, 553566), (39, 510984), (47, 424008), (52, 383238), (54, 369044), (72, 276783), (78, 255492), (94, 212004), (104, 191619), (108, 184522), (117, 170328), (141, 141336), (151, 131976), (156, 127746), (188, 106002), (216, 92261), (234, 85164), (282, 70668), (302, 65988), (312, 63873), (351, 56776), (376, 53001), (423, 47112), (453, 43992), (468, 42582), (564, 35334), (604, 32994), (611, 32616), (702, 28388), (846, 23556), (906, 21996), (936, 21291), (1128, 17667), (1208, 16497), (1222, 16308), (1269, 15704), (1359, 14664), (1404, 14194), (1692, 11778), (1812, 10998), (1833, 10872), (1963, 10152), (2444, 8154), (2538, 7852), (2718, 7332), (2808, 7097), (3384, 5889), (3624, 5499), (3666, 5436), (3926, 5076), (4077, 4888)]