19542690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 55042416

約数和(自身を除く): 35499726

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 53, 85, 90, 102, 106, 153, 159, 170, 241, 255, 265, 306, 318, 477, 482, 510, 530, 723, 765, 795, 901, 954, 1205, 1446, 1530, 1590, 1802, 2169, 2385, 2410, 2703, 3615, 4097, 4338, 4505, 4770, 5406, 7230, 8109, 8194, 9010, 10845, 12291, 12773, 13515, 16218, 20485, 21690, 24582, 25546, 27030, 36873, 38319, 40545, 40970, 61455, 63865, 73746, 76638, 81090, 114957, 122910, 127730, 184365, 191595, 217141, 229914, 368730, 383190, 434282, 574785, 651423, 1085705, 1149570, 1302846, 1954269, 2171410, 3257115, 3908538, 6514230, 9771345, 19542690]

約数ペア:

[(1, 19542690), (2, 9771345), (3, 6514230), (5, 3908538), (6, 3257115), (9, 2171410), (10, 1954269), (15, 1302846), (17, 1149570), (18, 1085705), (30, 651423), (34, 574785), (45, 434282), (51, 383190), (53, 368730), (85, 229914), (90, 217141), (102, 191595), (106, 184365), (153, 127730), (159, 122910), (170, 114957), (241, 81090), (255, 76638), (265, 73746), (306, 63865), (318, 61455), (477, 40970), (482, 40545), (510, 38319), (530, 36873), (723, 27030), (765, 25546), (795, 24582), (901, 21690), (954, 20485), (1205, 16218), (1446, 13515), (1530, 12773), (1590, 12291), (1802, 10845), (2169, 9010), (2385, 8194), (2410, 8109), (2703, 7230), (3615, 5406), (4097, 4770), (4338, 4505)]