19972368

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:301

約数の個数: 120

約数和(自身を含む): 61746048

約数和(自身を除く): 41773680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 47, 48, 52, 72, 78, 94, 104, 117, 141, 144, 156, 188, 208, 227, 234, 282, 312, 376, 423, 454, 468, 564, 611, 624, 681, 752, 846, 908, 936, 1128, 1222, 1362, 1692, 1816, 1833, 1872, 2043, 2256, 2444, 2724, 2951, 3384, 3632, 3666, 4086, 4888, 5448, 5499, 5902, 6768, 7332, 8172, 8853, 9776, 10669, 10896, 10998, 11804, 14664, 16344, 17706, 21338, 21996, 23608, 26559, 29328, 32007, 32688, 35412, 42676, 43992, 47216, 53118, 64014, 70824, 85352, 87984, 96021, 106236, 128028, 138697, 141648, 170704, 192042, 212472, 256056, 277394, 384084, 416091, 424944, 512112, 554788, 768168, 832182, 1109576, 1248273, 1536336, 1664364, 2219152, 2496546, 3328728, 4993092, 6657456, 9986184, 19972368]

約数ペア:

[(1, 19972368), (2, 9986184), (3, 6657456), (4, 4993092), (6, 3328728), (8, 2496546), (9, 2219152), (12, 1664364), (13, 1536336), (16, 1248273), (18, 1109576), (24, 832182), (26, 768168), (36, 554788), (39, 512112), (47, 424944), (48, 416091), (52, 384084), (72, 277394), (78, 256056), (94, 212472), (104, 192042), (117, 170704), (141, 141648), (144, 138697), (156, 128028), (188, 106236), (208, 96021), (227, 87984), (234, 85352), (282, 70824), (312, 64014), (376, 53118), (423, 47216), (454, 43992), (468, 42676), (564, 35412), (611, 32688), (624, 32007), (681, 29328), (752, 26559), (846, 23608), (908, 21996), (936, 21338), (1128, 17706), (1222, 16344), (1362, 14664), (1692, 11804), (1816, 10998), (1833, 10896), (1872, 10669), (2043, 9776), (2256, 8853), (2444, 8172), (2724, 7332), (2951, 6768), (3384, 5902), (3632, 5499), (3666, 5448), (4086, 4888)]