18049750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 37200384

約数和(自身を除く): 19150634

約数列:

[1, 2, 5, 10, 17, 25, 31, 34, 50, 62, 85, 125, 137, 155, 170, 250, 274, 310, 425, 527, 685, 775, 850, 1054, 1370, 1550, 2125, 2329, 2635, 3425, 3875, 4247, 4250, 4658, 5270, 6850, 7750, 8494, 11645, 13175, 17125, 21235, 23290, 26350, 34250, 42470, 58225, 65875, 72199, 106175, 116450, 131750, 144398, 212350, 291125, 360995, 530875, 582250, 721990, 1061750, 1804975, 3609950, 9024875, 18049750]

約数ペア:

[(1, 18049750), (2, 9024875), (5, 3609950), (10, 1804975), (17, 1061750), (25, 721990), (31, 582250), (34, 530875), (50, 360995), (62, 291125), (85, 212350), (125, 144398), (137, 131750), (155, 116450), (170, 106175), (250, 72199), (274, 65875), (310, 58225), (425, 42470), (527, 34250), (685, 26350), (775, 23290), (850, 21235), (1054, 17125), (1370, 13175), (1550, 11645), (2125, 8494), (2329, 7750), (2635, 6850), (3425, 5270), (3875, 4658), (4247, 4250)]