18374940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 59754240

約数和(自身を除く): 41379300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 89, 90, 93, 111, 124, 148, 155, 178, 180, 185, 186, 222, 267, 279, 310, 333, 356, 370, 372, 444, 445, 465, 534, 555, 558, 620, 666, 740, 801, 890, 930, 1068, 1110, 1116, 1147, 1332, 1335, 1395, 1602, 1665, 1780, 1860, 2220, 2294, 2670, 2759, 2790, 3204, 3293, 3330, 3441, 4005, 4588, 5340, 5518, 5580, 5735, 6586, 6660, 6882, 8010, 8277, 9879, 10323, 11036, 11470, 13172, 13764, 13795, 16020, 16465, 16554, 17205, 19758, 20646, 22940, 24831, 27590, 29637, 32930, 33108, 34410, 39516, 41292, 41385, 49395, 49662, 51615, 55180, 59274, 65860, 68820, 82770, 98790, 99324, 102083, 103230, 118548, 124155, 148185, 165540, 197580, 204166, 206460, 248310, 296370, 306249, 408332, 496620, 510415, 592740, 612498, 918747, 1020830, 1224996, 1531245, 1837494, 2041660, 3062490, 3674988, 4593735, 6124980, 9187470, 18374940]

約数ペア:

[(1, 18374940), (2, 9187470), (3, 6124980), (4, 4593735), (5, 3674988), (6, 3062490), (9, 2041660), (10, 1837494), (12, 1531245), (15, 1224996), (18, 1020830), (20, 918747), (30, 612498), (31, 592740), (36, 510415), (37, 496620), (45, 408332), (60, 306249), (62, 296370), (74, 248310), (89, 206460), (90, 204166), (93, 197580), (111, 165540), (124, 148185), (148, 124155), (155, 118548), (178, 103230), (180, 102083), (185, 99324), (186, 98790), (222, 82770), (267, 68820), (279, 65860), (310, 59274), (333, 55180), (356, 51615), (370, 49662), (372, 49395), (444, 41385), (445, 41292), (465, 39516), (534, 34410), (555, 33108), (558, 32930), (620, 29637), (666, 27590), (740, 24831), (801, 22940), (890, 20646), (930, 19758), (1068, 17205), (1110, 16554), (1116, 16465), (1147, 16020), (1332, 13795), (1335, 13764), (1395, 13172), (1602, 11470), (1665, 11036), (1780, 10323), (1860, 9879), (2220, 8277), (2294, 8010), (2670, 6882), (2759, 6660), (2790, 6586), (3204, 5735), (3293, 5580), (3330, 5518), (3441, 5340), (4005, 4588)]