18398916

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:793

約数の個数: 72

約数和(自身を含む): 50348480

約数和(自身を除く): 31949564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 727, 1332, 1406, 1454, 2109, 2181, 2812, 2908, 4218, 4362, 6327, 6543, 8436, 8724, 12654, 13086, 13813, 25308, 26172, 26899, 27626, 41439, 53798, 55252, 80697, 82878, 107596, 124317, 161394, 165756, 242091, 248634, 322788, 484182, 497268, 511081, 968364, 1022162, 1533243, 2044324, 3066486, 4599729, 6132972, 9199458, 18398916]

約数ペア:

[(1, 18398916), (2, 9199458), (3, 6132972), (4, 4599729), (6, 3066486), (9, 2044324), (12, 1533243), (18, 1022162), (19, 968364), (36, 511081), (37, 497268), (38, 484182), (57, 322788), (74, 248634), (76, 242091), (111, 165756), (114, 161394), (148, 124317), (171, 107596), (222, 82878), (228, 80697), (333, 55252), (342, 53798), (444, 41439), (666, 27626), (684, 26899), (703, 26172), (727, 25308), (1332, 13813), (1406, 13086), (1454, 12654), (2109, 8724), (2181, 8436), (2812, 6543), (2908, 6327), (4218, 4362)]