19513935490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{60353}}^1$

素因数の和:60547

約数の個数: 64

約数和(自身を含む): 41716684800

約数和(自身を除く): 22202749310

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 149, 155, 217, 298, 310, 434, 745, 1043, 1085, 1490, 2086, 2170, 4619, 5215, 9238, 10430, 23095, 32333, 46190, 60353, 64666, 120706, 161665, 301765, 323330, 422471, 603530, 844942, 1870943, 2112355, 3741886, 4224710, 8992597, 9354715, 13096601, 17985194, 18709430, 26193202, 44962985, 62948179, 65483005, 89925970, 125896358, 130966010, 278770507, 314740895, 557541014, 629481790, 1393852535, 1951393549, 2787705070, 3902787098, 9756967745, 19513935490]

約数ペア:

[(1, 19513935490), (2, 9756967745), (5, 3902787098), (7, 2787705070), (10, 1951393549), (14, 1393852535), (31, 629481790), (35, 557541014), (62, 314740895), (70, 278770507), (149, 130966010), (155, 125896358), (217, 89925970), (298, 65483005), (310, 62948179), (434, 44962985), (745, 26193202), (1043, 18709430), (1085, 17985194), (1490, 13096601), (2086, 9354715), (2170, 8992597), (4619, 4224710), (5215, 3741886), (9238, 2112355), (10430, 1870943), (23095, 844942), (32333, 603530), (46190, 422471), (60353, 323330), (64666, 301765), (120706, 161665)]