19687950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:738

約数の個数: 72

約数和(自身を含む): 53766648

約数和(自身を除く): 34078698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 67, 75, 90, 134, 150, 201, 225, 335, 402, 450, 603, 653, 670, 1005, 1206, 1306, 1675, 1959, 2010, 3015, 3265, 3350, 3918, 5025, 5877, 6030, 6530, 9795, 10050, 11754, 15075, 16325, 19590, 29385, 30150, 32650, 43751, 48975, 58770, 87502, 97950, 131253, 146925, 218755, 262506, 293850, 393759, 437510, 656265, 787518, 1093775, 1312530, 1968795, 2187550, 3281325, 3937590, 6562650, 9843975, 19687950]

約数ペア:

[(1, 19687950), (2, 9843975), (3, 6562650), (5, 3937590), (6, 3281325), (9, 2187550), (10, 1968795), (15, 1312530), (18, 1093775), (25, 787518), (30, 656265), (45, 437510), (50, 393759), (67, 293850), (75, 262506), (90, 218755), (134, 146925), (150, 131253), (201, 97950), (225, 87502), (335, 58770), (402, 48975), (450, 43751), (603, 32650), (653, 30150), (670, 29385), (1005, 19590), (1206, 16325), (1306, 15075), (1675, 11754), (1959, 10050), (2010, 9795), (3015, 6530), (3265, 6030), (3350, 5877), (3918, 5025)]