18897060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3461}}^1$

素因数の和:3493

約数の個数: 96

約数和(自身を含む): 65140992

約数和(自身を除く): 46243932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3461, 5460, 6922, 10383, 13844, 17305, 20766, 24227, 34610, 41532, 44993, 48454, 51915, 69220, 72681, 89986, 96908, 103830, 121135, 134979, 145362, 179972, 207660, 224965, 242270, 269958, 290724, 314951, 363405, 449930, 484540, 539916, 629902, 674895, 726810, 899860, 944853, 1259804, 1349790, 1453620, 1574755, 1889706, 2699580, 3149510, 3779412, 4724265, 6299020, 9448530, 18897060]

約数ペア:

[(1, 18897060), (2, 9448530), (3, 6299020), (4, 4724265), (5, 3779412), (6, 3149510), (7, 2699580), (10, 1889706), (12, 1574755), (13, 1453620), (14, 1349790), (15, 1259804), (20, 944853), (21, 899860), (26, 726810), (28, 674895), (30, 629902), (35, 539916), (39, 484540), (42, 449930), (52, 363405), (60, 314951), (65, 290724), (70, 269958), (78, 242270), (84, 224965), (91, 207660), (105, 179972), (130, 145362), (140, 134979), (156, 121135), (182, 103830), (195, 96908), (210, 89986), (260, 72681), (273, 69220), (364, 51915), (390, 48454), (420, 44993), (455, 41532), (546, 34610), (780, 24227), (910, 20766), (1092, 17305), (1365, 13844), (1820, 10383), (2730, 6922), (3461, 5460)]