18439650

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 120

約数和(自身を含む): 53339220

約数和(自身を除く): 34899570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 29, 30, 45, 50, 54, 58, 75, 81, 87, 90, 135, 145, 150, 157, 162, 174, 225, 261, 270, 290, 314, 405, 435, 450, 471, 522, 675, 725, 783, 785, 810, 870, 942, 1305, 1350, 1413, 1450, 1566, 1570, 2025, 2175, 2349, 2355, 2610, 2826, 3915, 3925, 4050, 4239, 4350, 4553, 4698, 4710, 6525, 7065, 7830, 7850, 8478, 9106, 11745, 11775, 12717, 13050, 13659, 14130, 19575, 21195, 22765, 23490, 23550, 25434, 27318, 35325, 39150, 40977, 42390, 45530, 58725, 63585, 68295, 70650, 81954, 105975, 113825, 117450, 122931, 127170, 136590, 204885, 211950, 227650, 245862, 317925, 341475, 368793, 409770, 614655, 635850, 682950, 737586, 1024425, 1229310, 1843965, 2048850, 3073275, 3687930, 6146550, 9219825, 18439650]

約数ペア:

[(1, 18439650), (2, 9219825), (3, 6146550), (5, 3687930), (6, 3073275), (9, 2048850), (10, 1843965), (15, 1229310), (18, 1024425), (25, 737586), (27, 682950), (29, 635850), (30, 614655), (45, 409770), (50, 368793), (54, 341475), (58, 317925), (75, 245862), (81, 227650), (87, 211950), (90, 204885), (135, 136590), (145, 127170), (150, 122931), (157, 117450), (162, 113825), (174, 105975), (225, 81954), (261, 70650), (270, 68295), (290, 63585), (314, 58725), (405, 45530), (435, 42390), (450, 40977), (471, 39150), (522, 35325), (675, 27318), (725, 25434), (783, 23550), (785, 23490), (810, 22765), (870, 21195), (942, 19575), (1305, 14130), (1350, 13659), (1413, 13050), (1450, 12717), (1566, 11775), (1570, 11745), (2025, 9106), (2175, 8478), (2349, 7850), (2355, 7830), (2610, 7065), (2826, 6525), (3915, 4710), (3925, 4698), (4050, 4553), (4239, 4350)]